Connectube 3 way Corner Coupling
This coupler is designed to work with 40mm x40mm Square steel tubing.
No Welding needed! Just use self drilling hex head screws to fasten your connections.
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Excellent fit
I ordered these three-way corner couplers and they were perfect for my steel frame outdoor project. Easy to order and definitely was reasonably priced!
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3 Way Coupling
Customer friendly, service was exceptional. Ordered 3 - 4’ sections & 1 - 8’ section for exterior kitchen. Prompt delivery, easy assemble, the couplings fit and afford a tight square setup. I would recommend the connectubes and use them again.